Home / 3,190.50-4,787.10-2,271.96

Finding the Fourth Proportional to 3,190.50, 4,787.10 and 2,271.96

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Solution

The fourth proportional to 3,190.50, 4,787.10 and 2,271.96 is: 3,408.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.50 : 4,787.10 = 2,271.96 : x
  2. Step 2: Convert to fraction form
    3,190.50/4,787.10 = 2,271.96/x
  3. Step 3: Cross multiply
    3,190.50x = 4,787.10 × 2,271.96
  4. Step 4: Simplify right side
    3,190.50x = 10,876,099.72
  5. Step 5: Solve for x
    x = 10,876,099.72/3,190.50
  6. Step 6: Final answer
    x = 3,408.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.